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QINGLING LIU

Overview
  • Total Patents
    13
About

QINGLING LIU has a total of 13 patent applications. Its first patent ever was published in 2009. It filed its patents most often in China and Hong Kong. Its main competitors in its focus markets environmental technology are SP NOGO MASH I METALLURG MOTOV, SANKAI KK and TANISHIGE HIDEYUKI.

Patent filings in countries

World map showing QINGLING LIUs patent filings in countries
# Country Total Patents
#1 China 12
#2 Hong Kong 1

Patent filings per year

Chart showing QINGLING LIUs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Qingling Liu 13

Latest patents

Publication Filing date Title
HK1179465A2 Method of forming a hole in a medal housing
CN101870488A Process for producing aluminium hydroxide and cement by utilizing high silicon low aluminium raw mineral materials
CN101870483A Process for producing aluminium hydroxide and cement by utilizing gangue
CN101870487A Process for producing aluminium hydroxide and cement by utilizing fly ash
CN101870485A Process for producing aluminium hydroxide and cement by utilizing high silicon low aluminium raw mineral materials
CN101870486A Process for producing aluminium hydroxide and cement by utilizing gangue
CN101870484A Process for producing aluminium hydroxide and cement by utilizing fly ash
CN101857230A Process for producing aluminium hydroxide, silicic acid and sodium carbonate by utilizing coal gangue
CN101857251A Process for producing aluminium hydroxide, silicic acid and sodium carbonate by utilizing coal gangue
CN101857252A Process for producing aluminium hydroxide, silicic acid and sodium carbonate by utilizing high silicon low aluminium raw mineral materials
CN101857250A Process for producing aluminium hydroxide, silicic acid and sodium carbonate by utilizing fly ash
CN101857255A Process for producing aluminium hydroxide, silicic acid and sodium carbonate by utilizing high silicon low aluminium raw mineral materials
CN101857253A Process for producing aluminium hydroxide, silicic acid and sodium carbonate by utilizing fly ash